JP4205792B2 - ＮＯｘ分解電極及びＮＯｘ濃度測定装置 - Google Patents

ＮＯｘ分解電極及びＮＯｘ濃度測定装置 Download PDF

Info

Publication number: JP4205792B2
Authority: JP; Japan
Prior art keywords: nox; electrode; chamber; oxygen; pump
Prior art date: 1998-12-04
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Lifetime

Application number

JP34611198A

Other languages

English (en)

Japanese (ja)

Other versions

JP2000171436A (ja

Inventor

伸秀加藤

邦彦中垣

斎西川

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

NGK Insulators Ltd

Original Assignee

NGK Insulators Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1998-12-04

Filing date

1998-12-04

Publication date

2009-01-07

1998-12-04 Application filed by NGK Insulators Ltd filed Critical NGK Insulators Ltd

1998-12-04 Priority to JP34611198A priority Critical patent/JP4205792B2/ja

1999-11-30 Priority to US09/451,646 priority patent/US6280588B1/en

1999-12-02 Priority to DE69940457T priority patent/DE69940457D1/de

1999-12-02 Priority to EP99124128A priority patent/EP1006352B1/fr

2000-06-23 Publication of JP2000171436A publication Critical patent/JP2000171436A/ja

2009-01-07 Application granted granted Critical

2009-01-07 Publication of JP4205792B2 publication Critical patent/JP4205792B2/ja

2018-12-04 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000000354 decomposition reaction Methods 0.000 title claims description 34
239000001301 oxygen Substances 0.000 claims description 90
229910052760 oxygen Inorganic materials 0.000 claims description 90
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 86
239000007789 gas Substances 0.000 claims description 57
229910045601 alloy Inorganic materials 0.000 claims description 25
239000000956 alloy Substances 0.000 claims description 25
239000011195 cermet Substances 0.000 claims description 25
239000000919 ceramic Substances 0.000 claims description 16
229910052697 platinum Inorganic materials 0.000 claims description 16
229910052703 rhodium Inorganic materials 0.000 claims description 16
229910018967 Pt—Rh Inorganic materials 0.000 claims description 11
230000009467 reduction Effects 0.000 claims description 11
MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 330
238000001514 detection method Methods 0.000 description 49
238000005259 measurement Methods 0.000 description 40
239000007784 solid electrolyte Substances 0.000 description 34
238000009792 diffusion process Methods 0.000 description 29
229910052751 metal Inorganic materials 0.000 description 21
238000007254 oxidation reaction Methods 0.000 description 15
230000008859 change Effects 0.000 description 14
239000002184 metal Substances 0.000 description 14
230000035945 sensitivity Effects 0.000 description 14
230000007423 decrease Effects 0.000 description 12
230000001603 reducing effect Effects 0.000 description 9
238000006722 reduction reaction Methods 0.000 description 9
238000006479 redox reaction Methods 0.000 description 8
230000015572 biosynthetic process Effects 0.000 description 7
238000001179 sorption measurement Methods 0.000 description 7
125000006850 spacer group Chemical group 0.000 description 7
239000000758 substrate Substances 0.000 description 7
230000003647 oxidation Effects 0.000 description 6
230000003197 catalytic effect Effects 0.000 description 5
238000005086 pumping Methods 0.000 description 5
MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
238000002474 experimental method Methods 0.000 description 4
239000000463 material Substances 0.000 description 4
230000004048 modification Effects 0.000 description 4
238000012986 modification Methods 0.000 description 4
-1 oxygen ion Chemical class 0.000 description 4
230000009471 action Effects 0.000 description 3
239000000567 combustion gas Substances 0.000 description 3
238000002485 combustion reaction Methods 0.000 description 3
238000010438 heat treatment Methods 0.000 description 3
238000000034 method Methods 0.000 description 3
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 2
238000010586 diagram Methods 0.000 description 2
239000007772 electrode material Substances 0.000 description 2
238000001465 metallisation Methods 0.000 description 2
238000009751 slip forming Methods 0.000 description 2
230000015556 catabolic process Effects 0.000 description 1
239000003054 catalyst Substances 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000003792 electrolyte Substances 0.000 description 1
229910052737 gold Inorganic materials 0.000 description 1
150000002926 oxygen Chemical class 0.000 description 1
239000013618 particulate matter Substances 0.000 description 1
230000002265 prevention Effects 0.000 description 1
230000004044 response Effects 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000004071 soot Substances 0.000 description 1

Images

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4075—Composition or fabrication of the electrodes and coatings thereon, e.g. catalysts
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4073—Composition or fabrication of the solid electrolyte
- G01N27/4074—Composition or fabrication of the solid electrolyte for detection of gases other than oxygen
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0037—NOx
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

Chemical & Material Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Health & Medical Sciences (AREA)
Physics & Mathematics (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Molecular Biology (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
General Health & Medical Sciences (AREA)
General Physics & Mathematics (AREA)
Immunology (AREA)
Pathology (AREA)
Measuring Oxygen Concentration In Cells (AREA)

JP34611198A 1998-12-04 1998-12-04 ＮＯｘ分解電極及びＮＯｘ濃度測定装置 Expired - Lifetime JP4205792B2 (ja)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
JP34611198A JP4205792B2 (ja)	1998-12-04	1998-12-04	ＮＯｘ分解電極及びＮＯｘ濃度測定装置
US09/451,646 US6280588B1 (en)	1998-12-04	1999-11-30	NOx-decomposing electrode and NOx concentration-measuring apparatus
DE69940457T DE69940457D1 (de)	1998-12-04	1999-12-02	NOx-Zerlegungselektrode und Vorrichtung zur NOx-Konzentrationsmessung
EP99124128A EP1006352B1 (fr)	1998-12-04	1999-12-02	Electrode de décomposition du NOx et dispositif pour mesurer la concentration du NOx

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP34611198A JP4205792B2 (ja)	1998-12-04	1998-12-04	ＮＯｘ分解電極及びＮＯｘ濃度測定装置

Publications (2)

Publication Number	Publication Date
JP2000171436A JP2000171436A (ja)	2000-06-23
JP4205792B2 true JP4205792B2 (ja)	2009-01-07

Family

ID=18381221

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP34611198A Expired - Lifetime JP4205792B2 (ja)	1998-12-04	1998-12-04	ＮＯｘ分解電極及びＮＯｘ濃度測定装置

Country Status (4)

Country	Link
US (1)	US6280588B1 (fr)
EP (1)	EP1006352B1 (fr)
JP (1)	JP4205792B2 (fr)
DE (1)	DE69940457D1 (fr)

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* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3701114B2 (ja) *	1997-12-22	2005-09-28	日本碍子株式会社	ＮＯｘ分解電極の酸化防止方法
DE10139615A1 (de) *	2001-08-11	2003-02-20	Bosch Gmbh Robert	Vorrichtung zur Bestimmung einer Partikelkonzentration eines Abgasstroms
JP2003322634A (ja)	2002-04-26	2003-11-14	Ngk Insulators Ltd	ＮＯｘ分解電極及びＮＯｘ濃度測定装置
JP4028289B2 (ja) *	2002-04-26	2007-12-26	日本碍子株式会社	ＮＯｘ分解電極及びＮＯｘ濃度測定装置
JP4456839B2 (ja) *	2003-09-18	2010-04-28	株式会社豊田中央研究所	ＮＯｘ検知用セル及びその製造方法並びに該セルを備えたＮＯｘ検出装置
US7527718B2 (en)	2004-03-29	2009-05-05	Ngk Insulators, Ltd.	Method of treating gas sensor element
JP4587855B2 (ja) *	2004-03-29	2010-11-24	日本碍子株式会社	ガスセンサ素子の処理方法
US7114325B2 (en) *	2004-07-23	2006-10-03	Ford Global Technologies, Llc	Control system with a sensor
JP4911910B2 (ja) *	2005-03-31	2012-04-04	日本碍子株式会社	ＮＯｘ測定電極部構造及びその形成方法並びにＮＯｘセンサ素子
US7611612B2 (en)	2005-07-14	2009-11-03	Ceramatec, Inc.	Multilayer ceramic NOx gas sensor device
EP1912064B1 (fr)	2005-08-02	2017-04-19	Ngk Insulators, Ltd.	Capteur de gaz
US8709709B2 (en)	2007-05-18	2014-04-29	Luoxis Diagnostics, Inc.	Measurement and uses of oxidative status
CA2684144C (fr) *	2007-05-18	2018-03-27	Institute For Molecular Medicine, Inc.	Mesure et utilisations de l'etat d'oxydation
EP2223095A1 (fr)	2007-12-26	2010-09-01	Toyota Jidosha Kabushiki Kaisha	Appareil de détection de la concentration en gaz
DE102009028755A1 (de)	2009-08-20	2011-06-09	Robert Bosch Gmbh	Verfahren zur Herstellung einer porösen Cermet-Elektrode
BR112013010538A2 (pt)	2011-02-28	2016-08-02	Luoxis Diagnostics Inc	método e aparelho para medir potencial de oxidação-redução
KR20150013146A (ko)	2012-04-19	2015-02-04	로익스 다이어그노스틱스, 아이엔씨.	다층겔
US9164080B2 (en)	2012-06-11	2015-10-20	Ohio State Innovation Foundation	System and method for sensing NO
AU2013334616A1 (en)	2012-10-23	2014-06-26	Aytu Bioscience, Inc.	Methods and systems for measuring and using the oxidation-reduction potential of a biological sample
JP6642318B2 (ja)	2016-07-15	2020-02-05	株式会社デンソー	ガスセンサ
CN117907406B (zh) *	2024-03-19	2024-06-07	四川智感蔚蓝科技有限公司	一种陶瓷芯片的性能测试方法、装置、介质和终端

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US3843400A (en) *	1972-09-18	1974-10-22	Westinghouse Electric Corp	Solid electrolyte cell
US4199425A (en) *	1978-11-30	1980-04-22	General Motors Corporation	Solid electrolyte exhaust gas sensor with increased NOx sensitivity
DE2913633C2 (de) *	1979-04-05	1986-01-23	Robert Bosch Gmbh, 7000 Stuttgart	Elektrochemischer Meßfühler für die Bestimmung des Sauerstoffgehaltes in Gasen, insbesondere in Abgasen von Verbrennungsmotoren sowie Verfahren zur Herstellung desselben
JPH0668480B2 (ja) *	1987-04-24	1994-08-31	日本碍子株式会社	酸素センサにおける電極構造
DE3726479C2 (de) *	1987-08-08	1996-04-11	Bosch Gmbh Robert	Verfahren zur Erzeugung von elektrisch-isolierenden Bereichen oder Schichten in oder auf O·2··-·-Ionen leitenden Festelektrolytsubstraten sowie Zusammensetzung zur Durchführung des Verfahrens
US5310575A (en) *	1987-11-03	1994-05-10	Robert Bosch Gmbh	Method of making a porous ceramic protective layer on an electrode of an electrochemical sensor for exposure to hot gas
US5698267A (en) *	1992-12-01	1997-12-16	Robert Bosch Gmbh	Method for fabricating high-activity electrodes for exhaust gas sensors
JP2885336B2 (ja)	1994-04-21	1999-04-19	日本碍子株式会社	被測定ガス中のＮＯｘ濃度の測定方法及び測定装置
US5672811A (en)	1994-04-21	1997-09-30	Ngk Insulators, Ltd.	Method of measuring a gas component and sensing device for measuring the gas component
JP3050781B2 (ja)	1995-10-20	2000-06-12	日本碍子株式会社	被測定ガス中の所定ガス成分の測定方法及び測定装置
US5948964A (en)	1995-10-20	1999-09-07	Ngk Insulators, Ltd.	NOx sensor and method of measuring NOx
US6071393A (en) *	1996-05-31	2000-06-06	Ngk Spark Plug Co., Ltd.	Nitrogen oxide concentration sensor
EP0869356B1 (fr) *	1997-03-28	2007-02-07	NGK Spark Plug Co. Ltd.	Capteur de NOx
US6303011B1 (en) *	1997-06-23	2001-10-16	Kabushiki Kaisha Riken	Gas sensor

1998
- 1998-12-04 JP JP34611198A patent/JP4205792B2/ja not_active Expired - Lifetime
1999
- 1999-11-30 US US09/451,646 patent/US6280588B1/en not_active Expired - Lifetime
- 1999-12-02 EP EP99124128A patent/EP1006352B1/fr not_active Expired - Lifetime
- 1999-12-02 DE DE69940457T patent/DE69940457D1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP1006352A2 (fr)	2000-06-07
EP1006352B1 (fr)	2009-02-25
DE69940457D1 (de)	2009-04-09
JP2000171436A (ja)	2000-06-23
EP1006352A3 (fr)	2003-04-23
US6280588B1 (en)	2001-08-28

Legal Events

Date	Code	Title	Description
2005-10-13	A621	Written request for application examination	Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20051012
2008-02-27	A977	Report on retrieval	Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20080227
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2008-09-17	A521	Written amendment	Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080916
2008-10-07	TRDD	Decision of grant or rejection written
2008-10-15	A01	Written decision to grant a patent or to grant a registration (utility model)	Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20081014
2008-10-16	A01	Written decision to grant a patent or to grant a registration (utility model)	Free format text: JAPANESE INTERMEDIATE CODE: A01
2008-10-23	A61	First payment of annual fees (during grant procedure)	Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20081017
2008-10-24	FPAY	Renewal fee payment (event date is renewal date of database)	Free format text: PAYMENT UNTIL: 20111024 Year of fee payment: 3
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2018-12-04	EXPY	Cancellation because of completion of term

Publication	Publication Date	Title
JP4205792B2 (ja)	2009-01-07	ＮＯｘ分解電極及びＮＯｘ濃度測定装置
JP3544437B2 (ja)	2004-07-21	ガスセンサ
JP3701114B2 (ja)	2005-09-28	ＮＯｘ分解電極の酸化防止方法
US5763763A (en)	1998-06-09	Method and sensing device for measuring predetermined gas component in measurement gas
JP5253165B2 (ja)	2013-07-31	ガスセンサ及び窒素酸化物センサ
JP3272215B2 (ja)	2002-04-08	ＮＯｘセンサ及びＮＯｘ測定方法
JP2000028576A (ja)	2000-01-28	ガスセンサ及び窒素酸化物センサ
US5948964A (en)	1999-09-07	NOx sensor and method of measuring NOx
JP3671109B2 (ja)	2005-07-13	ガスセンサ
EP0859233B1 (fr)	2008-10-29	Capteur de gaz
JP3860590B2 (ja)	2006-12-20	ガスセンサ及び窒素酸化物センサ
EP0791828A1 (fr)	1997-08-27	Méthode pour mesurer l'oxyde d'azote
EP0791825B1 (fr)	2005-06-15	Dispositif pour mesurer l'oxyde d'azote
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JP3771569B2 (ja)	2006-04-26	ＮＯｘセンサ
JP3511468B2 (ja)	2004-03-29	被測定ガス中のＮＯｘ濃度の測定方法
JP3798412B2 (ja)	2006-07-19	ＮＯｘセンサ
JP3756123B2 (ja)	2006-03-15	ＮＯｘセンサ並びにＮＯｘ濃度の測定方法
JP3520217B2 (ja)	2004-04-19	ガスセンサ
JP2001153834A (ja)	2001-06-08	ガスセンサ